AUTHOR(S): Dr. Rutika R Naik, Dr. Deshpande M Prashanth

ABSTRACT:Many approaches to root-end preparation have been advocated, with variations based on access, root anatomy, armamentarium, and surgeon expertise and philosophy. The first is a class I cavity prepared down the long axis of the root within the confines of the canal. Second, a class I cavity is prepared perpendicular to the root face at an approximated angle of 30-45⁰ to the long axis of the root. Third, a vertical slot-type preparation is prepared perpendicular to the long axis of the root with a channel exiting to the facial or buccal. Fourth, a transverse root slot is prepared from either the proximal surface or the buccal surface into the root to the depth of the lingual surface of the root canal before the root end resection. And fifth, reverse canal instrumentation is performed with modified root canal files. These techniques and their variations will be discussed based upon both literature and clinical documentation.

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